Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

Concomitant

Chemistry; Analytical chemistry

Any species in a material undergoing chemical analysis other than the analyte or the solvent in which the sample is dissolved.

Trace element

Chemistry; Analytical chemistry

An element in a sample that has an average concentration of less than 100 parts per million atoms or less than 100 micrograms per gram.

Near-infrared spectrophotometry

Chemistry; Analytical chemistry

Spectrophotometry at wavelengths in the near-infrared region, generally using instruments with quartz prisms in the monochromators and lead sulphide photoconductor cells as detectors to observe ...

Condensation temperature

Chemistry; Analytical chemistry

In boiling-point determination, the temperature established on the bulb of a thermometer on which a thin moving film of liquid coexists with vapour from which the liquid has condensed, the vapour ...

Transition interval

Chemistry; Analytical chemistry

In a titrimetric analysis, the range in concentration of the species being determined over which a variation in a chemical indicator can be observed visually.

Neutralisation number

Chemistry; Analytical chemistry

Petroleum product test; it is the milligrammes of potassium hydroxide required to neutralise the acid in 1 gramme of oil; used as an indication of oil acidity.